When attempting to set the location for an FTP cloud storage location, the Host box always turns red and won't save the information for use:
Integration Builder and Administration Console
FTP storage site
Remove the protocol (ftps or the like) as well as the following /.
BarTender will insert those for you and know which type of FTP you're using depending on the type selected beneath the host name.
There is a REQ out to make this clearer: https://seagull/jira/browse/REQ-1474